【单选题】He has been working so hard. _____ he could answer such a difficult question. [ ]
【单选题】关于动脉血压的叙述,下列哪一项是正确的
C.
心室收缩时,血液对动脉管壁的侧压,称为收缩压
【判断题】命门穴位于第二腰椎棘突下,是温肾壮阳的常用穴。
【单选题】听力原文:W: My son hasn't been able to find a steady job. M: Oh. Do you mean he has been floating about for the whole past year? What does the man mean?
A.
The woman's son has been a sailor.
B.
The woman's son has been swimming.
C.
The woman's son has been idling away.
D.
The woman's son has been changing his jobs.
【单选题】听力原文:W:Do you know what's wrong with Peter? He has been acting very strangely lately. M:Come on,with his parents coming to visit next week-right after he's moved into a new apartment-he's just got a l...
A.
He is happy that his parents are coming.
B.
He's thinking about a number of things.
C.
He's not feeling very well.
D.
He's looking for a new apartment.
【简答题】My 8yearold son,Kevin,has made friends with some boys in the neighborhood. He has been 36 with them after school. My wife,and I are 37 he has other kids to be with and we have __38__ and encouraged ...
【单选题】He has been talented at designing and creating things ________ he was young.